Question about Casio FX-115ES Scientific Calculator

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How do you use the pi button? I want to multiply 42 by pi and it gives me the answer of 42pi.

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Well, 42pi is the result of multiplying 42 by pi, isn't it? In the default MthIO mode the calculator strives to display as many results symbolically as possible.

To convert a single result to decimal, press SD. To have all results come out in decimal, press SHIFT MODE 2 to select the LineIO mode.

Posted on Sep 17, 2010

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What formula do you use to calculate cylinder volumes


Volumes are any three dimensional measurement...

I Seriously doubt that I could get Pi ("pie") to print...
But I'll just GIVE YOU the number (much simpler)
Pi = 3.14159

Inches, feet, yards or meters.. all the dimensions need to be in the same values... So if you have an inch "ruler"...
That is just fine...!!

Your first step would be to determine the diameter of the inside of your cylinder in inches...
CONVERT that to the RADIUS by DIVIDING by 2...
Multiply that RADIUS by itself and then by 3.1416 = area of circle in INCHES... (radius "squared" x Pi = (square inched)

Then MULTIPLY the height (in inched) by the AREA...
EQUALS THE VOLUME in CUBIC INCHES...!!



But I'll just GIVE YOU a REFERENCE (much simpler)
mathematical constant ?
Area of circle

Feb 18, 2017 | Office Equipment & Supplies

1 Answer

How many gallons does a 15' round pool 35 deep have


Basic school maths Pi R Squared, but are you sure this pool is 35 FEET deep?

Pi, (3.142) x radius squared
the radius is half the diameter x itself, x depth. and then

There are 7.48 gallons in cubic foot

Your pool diameter is 15' diameter, so 7.5 radius. 7.5 x 7.5 is 56.25. Multiply that by the depth. Multiply that answer by 7.48 gallons



Area of Circle

May 25, 2016 | Pool & Spa

1 Answer

It wont give me the value when i multiply like 6 x pi


Your calculator may be able to use the symbol Pi. If it gives you a result with Pi, you should convert it to a decimal approximation. There must be a key to convert.

Nov 12, 2013 | Canon F-719SG Green Scientific Calculator...

1 Answer

Have a texet fx1500 scientific calculator. when I press pi button, it gives the answer 3 instead od 3.14. why?


Do you have the display set to give you any digits after the decimal point? What do you get when you multiply pi by 100: 300 or 314?

Mar 19, 2013 | Office Equipment & Supplies

1 Answer

Texet fx 1500. i press pi key. instead of 3.14 gives me the answer 3. why


Do you have the display set to give you any digits after the decimal point? What do you get when you multiply pi by 100: 300 or 314?

Mar 19, 2013 | Office Equipment & Supplies

1 Answer

I can get pi, but then when i need to multiply it by a number (example: 6), It just gives me that number, with the pi sign beside it. it wont give me an answer.


When in MathIO the calculator displays pi symbolically. If you want the numerical value of an expression, press [SHIFT][=], not just [=]. You can try pressing the [SD] key to toggle between fraction`/radical to decimal. You can also configure the calculator to use LineIO by default.

May 22, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

I have to multiply by Pi on my exam paper. (I'm wondering where the Pi button is on the Casio Fx-300ES Calculator)?


To insert pi on this calculator press [shift] [x10x] . (you can see the pi symbol above and to the side of this button).

Apr 05, 2011 | Casio fx-300ES Calculator

1 Answer

How do I multiply by Pi. (Where's the Pi button on the Casio fx-300ES)


pi is the shifted function of the x10^x key, middle of the bottom row.

Apr 05, 2011 | Casio fx-300ES Calculator

1 Answer

How do i change my answer from Degree into Radius


The simple way with any calculator is to multiply your result by (pi/180) because degrees/360=radians/(2*pi)

Mar 17, 2011 | Texas Instruments TI-30 XIIS Calculator

1 Answer

When i try to use the pi key with another operation it does not compute. For example if I am trying to multiply 10 times pi, the calculator reads 10pi


Press the FD (fraction to decimal) button after you calculate 10 times pi, This will give you the
calculation in decimal form.

Mar 11, 2011 | Texas Instruments TI-15 Explorer...

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